Pen nib



Aug. 14, 1951 V E. s oKoLlK PEN NIB Filed May 29, 1947 IN V EN TOR.

Ratented Aug. 14, 1951 UNITED srATEs PEN NIB Edward Sokolik, New Brighton, Minn.

Application May 29, 1847, Serial No. 751,342

1 Clairn. (Cl. 120-109) My present invention relates to improvements in pen nibs and the object is to provide a pen nib whose writing life is greatly prolcnged and the performance in writing improved.

I attain these and other advantages, as Will be apparent in the following speciflcations, by a novel construction of the writing end-portion of the pen nib.

In the drawing:

The figure in the drawing is a plan view of the convex side of my improved pen nib.

IThe pen nib, as illustrated by Fig. l, comprises a conventionally concave body-portion A, which includes a main body-portion 2 and a Writing endportion 3. The design of the main body-portion 2 is largely a matter of choice and the design of the writing end-portion 3, is where the novelty resides, and consists of a tongue li and a pair of Writing nibs and 6, all extending from a common transverse juncture line from the main body-portion 2.

The tongue 4 extends centrally from the main body-portion 2, and the writing nibs 5 and 8 extend downwardly along the edges 8 of the tongue E and beyond the point 9 thereof.

The nibs 5 and 6 have, each, an outer edge 10, of which, the upper portion l l, is a rectilinear extension of the edge i2 of the main body-portion 2, and the lower portion i3, which is slightly arcuate, converges with the corresponding lower portion l3 of the opposte nib to form a conventionally common writing point IG, and is substantially two and one-half times the length of the upper` edge portion il of the edge l0.

The tongue 4 and nibs 5 and 6 are delineated by a slit l5 extending centrally between the nibs 5 and 6 from the common writing point 14 thereof to a point 16, which is a rectilinear distance from the common writing point M thereof, and from the J'unctures Il of the upper portions Il and the lower portion 13 of the outer edges I, substantially in proportions of 5 parts to eight parts, respectively.

Branching and diverging from the upper end of the slit 15, as indicated at 16, are slits IB, each arcuately contoured to the arcuate lower edge portion 13 of each outer edge IO, and slightly diverging therefrom as each slit I8 progresses to a climax point, each of which points 19, is a minimum distance from each juncture Il of the upper edge portion Il and the lower edge portion l3 of each outer edge l0. From each turning point I9, each slit I has an extension slit 20 slightly converging at an angle substantially corresponding in degrees to the diverging angles of the branch slit l8 to the common juncture line 'I at which the nibs 5 and 8 and the tongue 4, are preferably of equal Widths.

The nibs 5 and 6 gradually increase in width from the writing point I4 to the transverse common juncture line 1. The slit portions 20 facilitate springing of the nibs 5 and 6 and consequently yand 6.

greatly prolong the springing life of the nibs 5 As illustrated, there is no Conventional aperture in the nibs 5 and 8 at the point #6, whereby the nibs would be weakened at that point.

What I claim is:

A pen nib comprising, a main body portion, a Writing end-portion which includes a tongue and a pair of nibs all having a transversely integral juncture with the main body portion on a cornmon line, each Writing nib extending downwardly adjoining the edge of the tongue and beyond the free point of the tongue, and each including an outer edge, the upper portion of which is a rectilinear extension of each edge of the main body portion and the lower portion of which is slightly arcuate and converges with the corresponding lower portion of the outer edge of the opposite nib to form a common writing point, the arcuate lower portion of each outer edge being substantially two and one-half times the length of the rectilinear extension of each edge of the main body portion, said tongue and nibs being delineated by a slit extending centrally between the nibs from the common writing point thereof to a point which is a rectilinear distance from the common Writing point and from the J'unctures of the lower and upper portions of the outer edges, substantially in proportions of five parts to eight parts respectively, thence branching and diverging, each branch slit extending, arcuately contoured to the arcuate edge of the lower portion of the outer edge of each nib and slightly diverged therefrom, to a climax point, each of which is a substantially minimum distance from the juncture of the upper and lower portions of each outer edge, and from which, the branch slts are extended, at slightly converging angles, substantially corresponding in degrees to the degrees of the diverging angles of the branch slits, to the common juncture line with the main body portion, where each nib and the tongue are substantially of equal widths, such construction prolonging the springing life of the writing nibs.

EDWARD SOKOLIK.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 215,813 Fairchild May 27, 1879 237,184 Holdt Feb. 1, 1881 563,031 Fischer June 30, 1896 760,409 Andersson May 24, 1904 1,097,051 Schisler May 19, 1914 FOREIGN PATENTS Number Country Date 27,262 Germany Dec. 14, 1883 406,876 Great Britain Mar. 8, 1934 348,579 Italy May 22, 1937 

